Skate boot



FIG. 1 is a perspective view of a skate boot, showing the front, rightside, and top of my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear end view thereof;

FIG. 5 is a front end view thereof; and,

FIG. 6 is a top view thereof.

The broken line showing is for illustrative purposes only and forms nopart of the claimed design.

I claim the ornamental design for a skate boot, as shown and described.